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recalc]] these values upon loading. cmo files are useful as repositories for long-term storage of experiment records. even if the original input data files are unavailable, their contents remain safely stored and can be reviewed (but not altered). the cmo file also contains copies of various visual3d settings which affect computed results (e.g., your laboratory coordinate system). this ensures that you will obtain identical results every time you load a cmo file, even if that file was produced with different settings than you usually use. this fact makes cmo files useful for exchange of experimental results between different laboratories, or between students and professors, etc. **although still supported for legacy reasons, the cmo file format has been superceded by the [[visual3d:documentation:definitions:file_formats:cmz_format_|cmz file format]].**